The Synthesis Prime uses the Prime Response Pearl (HK22C2) coverstock, which is a change from the QR-12 Solid (HK22C) cover that was used on the Synthesis. Both Synthesis balls share the I-Core Gen4 asymmetrical weight block. The Synthesis Prime has a rougher box finish for a pearl, with 1500 and 3000 SiaAir as the final two finishing steps. The Kinetic Sapphire Ice is the only other pearl ball in the current Track line, and it is finished with 1500 SiaAir and Factory Compound. With its more aggressive coverstock, core shape, and box finish, the Synthesis Prime is easily the bigger-hooking of the two pearls. While this ball responded more off the dry than the original Synthesis, the original’s duller solid cover allowed it to cover more total boards. Although this ball’s rougher coverstock made it a decent option on our heavy oil pattern, it was still best for us on the medium oil condition for all three testers.

Cranker liked the Synthesis Prime the most out of our three bowlers. On the medium oil pattern, his higher rev rate gave him slightly better pin carry than the other two bowlers on the fresh. He started farther left with his laydown point and had his angles more open than he did with the Kinetic Sapphire Ice or the Stealth Mode Hybrid. This ball created much more traction in the midlane than the two glossy bowling balls, picking up earlier. He saw a strong move at the breakpoint, with the back...

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